m68k/mac: Kill psc_present
The presence of the Apple Peripheral System Controller (PSC) can be
tested for by just checking its base address pointer.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index 2290c0c..cb2b1a3 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -27,7 +27,6 @@
#define DEBUG_PSC
-int psc_present;
volatile __u8 *psc;
EXPORT_SYMBOL_GPL(psc);
@@ -39,7 +38,9 @@
{
int i;
- if (!psc_present) return;
+ if (!psc)
+ return;
+
for (i = 0x30 ; i < 0x70 ; i += 0x10) {
printk("PSC #%d: IFR = 0x%02X IER = 0x%02X\n",
i >> 4,
@@ -81,7 +82,6 @@
&& macintosh_config->ident != MAC_MODEL_Q840)
{
psc = NULL;
- psc_present = 0;
return;
}
@@ -91,7 +91,6 @@
*/
psc = (void *) PSC_BASE;
- psc_present = 1;
printk("PSC detected at %p\n", psc);